KSZ8842-16MVLI TR Micrel, KSZ8842-16MVLI TR Datasheet - Page 73
KSZ8842-16MVLI TR
Manufacturer Part Number
KSZ8842-16MVLI TR
Description
Ethernet ICs 2-Port Ethernet Switch/Repeater + Generic (8, 16-bit) bus interface(Lead Free)
Manufacturer
Micrel
Datasheet
1.KSZ8842-16MVL_TR.pdf
(141 pages)
Specifications of KSZ8842-16MVLI TR
Rohs
yes
Product
Ethernet Switches
Package / Case
LQFP-128
Mounting Style
SMD/SMT
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Bank 19 Multicast Table Register 3 (0x06): MTR3
Multicast table register 3.
Banks 20 – 31: Reserved
Except Bank Select Register (0xE).
Bank 32 Switch ID and Enable Register (0x00): SIDER
This register contains the switch ID and the switch enable control.
Bank 32 Switch Global Control Register 1 (0x02): SGCR1
This register contains the global control for the switch function.
Micrel, Inc.
Bit
15-0
Bit
15-8
7-4
3-1
0
Bit
15
14
13
12
11
October 2007
Default Value
Default
0
Default
0
0
1
1
0
0x0000
0x88
0x0
0x1
R/W
RW
R/W
RO
RO
RO
RW
R/W
RW
RW
RW
RW
RW
Description
MTR0 Multicast Table 3
When the appropriate bit is set, if the packet received with DA matches the CRC, the
hashing function is received without being filtered.
When the appropriate bit is cleared, the packet will drop.
Note: When the receive all (RXRA) or receive multicast (RXRM) bit is set in the RXCR,
all multicast addresses are received regardless of the multicast table value.
Description
Family ID
Chip family ID
Chip ID
0x0 is assigned to KSZ8842M
Revision ID
Start Switch
1 = start the chip.
0 = switch is disabled.
Description
Pass All Frames
1 = switch all packets including bad ones. Used solely for debugging purposes. Works
in conjunction with Sniffer mode only.
Reserved
IEEE 802.3x Transmit Direction Flow Control Enable
1 = enables transmit direction flow control feature.
0 = will not enable transmit direction flow control feature. The switch will not generate
any flow control packets.
IEEE 802.3x Receive Direction Flow Control Enable
1 = enables receive direction flow control feature.
0 = will not enable receive direction flow control feature. The switch will not react to
any received flow control packets.
Frame Length Field Check
1 = checks frame length field in the IEEE packets. If the actual length does not match,
the packet will be dropped (for Length/Type field < 1500).
73
KSZ8842-16/32 MQL/MVL/MVLI/MBL
M9999-102207-1.9
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